A weight of a watermelon is 20kg having 96% water. Due to evaporation the percentage of water becomes 95%. Its reduced weight will be :
Answer & explanation
Correct answer: option 1
(In the process of evaporation, pulp Qty always remains same.)
In old qty pulp is = 4%
and in new qty pulp is = 5%
Therefore,
Old Qty × 4% = New Qty × 5%
20kg × 4% = New Qty × 5%
20 × 4 = New Qty × 5
New Qty. = 16 kg